WO2011159117A2 - 소형 손떨림 보정 카메라모듈 - Google Patents

소형 손떨림 보정 카메라모듈 Download PDF

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Publication number
WO2011159117A2
WO2011159117A2 PCT/KR2011/004428 KR2011004428W WO2011159117A2 WO 2011159117 A2 WO2011159117 A2 WO 2011159117A2 KR 2011004428 W KR2011004428 W KR 2011004428W WO 2011159117 A2 WO2011159117 A2 WO 2011159117A2
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
coil member
holder
housing
field generated
Prior art date
Application number
PCT/KR2011/004428
Other languages
English (en)
French (fr)
Korean (ko)
Other versions
WO2011159117A3 (ko
Inventor
정회원
서종식
김요섭
Original Assignee
(주)하이소닉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)하이소닉 filed Critical (주)하이소닉
Priority to CN201180017083.XA priority Critical patent/CN102884782B/zh
Priority to US13/704,361 priority patent/US8676048B2/en
Publication of WO2011159117A2 publication Critical patent/WO2011159117A2/ko
Publication of WO2011159117A3 publication Critical patent/WO2011159117A3/ko

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis

Definitions

  • the present invention relates to a small image stabilization camera module, and more particularly, to a small image stabilization camera module for moving the lens up and down by using a coil and a magnet to adjust the focus of the subject, and to move the lens to a horizontal direction to compensate for hand shake.
  • FIG. 1 is a perspective view of a conventional compact camera device
  • FIG. 2 is an exploded perspective view of a conventional compact camera device
  • FIG. 3 is an exploded perspective view showing A of FIG.
  • a conventional small camera apparatus generally includes a housing 10, a lens unit 20, a first coil 30, a first magnet 40, and an iron piece 50. Is done.
  • the lens unit 20 is mounted in the housing 10 to be moved in the horizontal direction.
  • the lens unit 20 has a lens 60 mounted therein, and functions to adjust the focus of the subject by moving the lens 60 in the optical axis direction of the lens 60.
  • the lens unit 20 includes a lens barrel 21 surrounding the lens 60, a holder 22 into which the lens barrel 21 is inserted, and mounted inside the holder 22. And a second coil 23 and a second coil 24 mounted on an outer side of the lens barrel 21, the electromagnetic field generated when power is applied to the second coil 24, and the second magnet.
  • the lens barrel 21 flows in the optical axis direction of the lens 60 by the interaction of the magnetic field generated in the lens 23.
  • the first coil 30 is mounted to the outside of the lens unit 20.
  • the first coil 30 is wound in a direction rotating about the iron piece 50.
  • first magnet 40 is mounted on the inner surface of the housing 10 adjacent to the first coil 30, a plurality of the first magnet 40 is in contact with the upper and lower ends of the iron piece 50, respectively.
  • One end of the iron piece 50 is in contact with the first magnet 40 and the other end is inserted into the center of the first coil 30 to be adjacent to the first coil 30.
  • the conventional compact camera device has a problem in that the number of parts is increased and the size is complicated as the first magnet 40 for correcting the shake and the second magnet 23 for adjusting the focus are separately configured. have.
  • the present invention has been made to solve the above problems, and an object thereof is to provide a small camera shake correction camera module that can simplify the structure by integrating a magnet for shaking correction and a magnet for adjusting focus.
  • the housing A holder mounted to the housing to move in a horizontal direction; A lens unit mounted vertically in the holder and having a lens therein; A first coil member wound along an outer circumferential surface of the lens unit; A second coil member mounted to one of the holder or the housing and formed in a hollow shape; A magnetic member mounted to the other one of the holder or the housing; It includes, but the magnetic member, the magnet is inserted into the second coil member, the polarity is separated in the left and right directions; It is disposed on the side of the magnet and comprises a yoke surrounding the side and the upper and lower portions of the magnet and the second coil member.
  • the yoke is made of a plate material, and the upper and lower ends of the guide portion is formed to protrude from the upper and lower portions of the second coil member, respectively, the induction part is disposed on the upper and lower ends of the second coil member, respectively, is generated from the magnet The magnetic force lines passing through the first coil member and the second coil member are guided back to the magnet.
  • the second coil member is fixed to the side of the holder, the yoke is fixed to the side of the housing, the magnet is one end is inserted into the second coil member, the other end is fixed to the yoke
  • the lens unit moves up and down by the interaction of a first electromagnetic field generated when power is applied to the first coil member and a first magnetic field generated in the direction of the first coil member in the magnet.
  • the holder moves horizontally by the interaction of a second electromagnetic field generated when the power is applied and the second magnetic field generated in the magnet and induced in the vertical direction by the induction part.
  • the second coil member is fixed to the side of the housing, the magnet is fixed to one end is inserted into the holder through the second coil member, the yoke is disposed on the side of the housing to the other end of the magnet
  • the lens unit is fixedly mounted but moves up and down by the interaction of a first electromagnetic field generated when power is applied to the first coil member and a first magnetic field generated in the direction of the first coil member in the magnet.
  • the holder moves horizontally by the interaction of a second electromagnetic field generated when the power is applied to the coil member and a second magnetic field generated in the magnet and induced in the vertical direction by the induction part.
  • the outer circumferential surface of the lens unit is formed with a side portion parallel to the magnet.
  • the small camera shake correction camera module of the present invention as described above has the following effects.
  • One end of the magnet is inserted into the second coil member and the polarity is separated in the left and right directions, and the yoke is disposed at the other end of the magnet to form side and top and bottom portions of the magnet and the second coil member, thereby shaking. It is effective to simplify the structure of the camera module by integrating the magnet for adjusting the focus and the magnet for adjusting the focus.
  • the induction part is spaced apart from each other in the upper and lower ends of the second coil member, and induces a magnetic force line generated in the magnet and transmitted through the first coil member and the second coil member to the magnet to generate the magnet.
  • the side portion is formed to be parallel to the magnet, thereby minimizing the distance between the first coil member and the magnet wound on the side portion of the first electromagnetic field generated in the first coil member and the magnetic field generated in the magnet There is an effect of improving the vertical driving force of the lens unit by the action.
  • FIG. 1 is a perspective view of a conventional compact camera device
  • FIG. 2 is an exploded perspective view of a conventional compact camera device
  • FIG. 3 is an exploded perspective view illustrating an enlarged view of part A of FIG. 2;
  • FIG. 4 is a perspective view of a small camera shake correction module according to an embodiment of the present invention.
  • FIG. 5 is an exploded perspective view of a small camera shake correction module according to an embodiment of the present invention.
  • FIG. 6 is a sectional view seen from A-A of FIG. 4;
  • FIG. 7 is an operational state diagram of a small camera shake correction camera module according to an embodiment of the present invention.
  • FIG. 9 is a perspective view of a small camera shake correction camera module according to another embodiment of the present invention.
  • FIG. 10 is an exploded perspective view of a small camera shake correction camera module according to another embodiment of the present invention.
  • FIG. 11 is a cross-sectional view seen from B-B of FIG. 8.
  • the small camera shake correction camera module includes a housing 100, a holder 200, a wire spring 250, a lens unit 300, and a leaf spring 350. , The first coil member 400, the second coil member 500, and the magnetic member 600.
  • the housing 100 is formed in a hexahedral shape, and consists of a lower member 110 and an upper member 120.
  • the lower member 110 has a hollow rectangular shape opened up and down, and the first insertion groove 111 is formed on each side.
  • the upper member 120 has a hollow rectangular shape opened up and down, is disposed on the upper portion of the lower member 110, the second insertion groove 121 is formed on each side.
  • the second insertion groove 121 is formed in communication with the first insertion groove 111, the first insertion groove 111 and the second insertion groove 121, as will be described later the magnetic member 600 Yoke 620 is inserted and mounted.
  • the holder 200 In addition, between the lower member 110 and the upper member 120, the holder 200, the lens unit 300, the first coil member 400, the second coil member 500 and the magnetic member 600 is disposed.
  • the holder 200 is formed in a hexahedral shape to be opened in the vertical direction, each side of the through-hole 210 is formed in a rectangular shape, the support projections 220 are formed on both sides of the through-hole 210, respectively. .
  • the through hole 210 has a width greater than that of the magnet 610 of the magnetic member 600, and is generated in the magnet 610 to move in the direction of the first coil member 400. To facilitate movement.
  • the support protrusion 220 is in contact with both ends of the second coil member 500 as described below so that the second coil member 500 is fixed to the holder 200.
  • connection portion 230 on which the wire spring 250 is mounted is protruded and formed near the top vertex of the holder 200.
  • the wire spring 250 is formed long in the vertical direction, bent in the horizontal direction, and has an elastic force.
  • the wire spring 250 has an upper end mounted on the connection part 230 and a lower end mounted on the lower member 110 of the housing 100 so that the holder 200 is horizontal when the holder 200 is moved horizontally. Elastic support in the direction.
  • the lens unit 300 is formed in an octagonal shape, and a through hole in which a lens is mounted therein is opened in the vertical direction.
  • a side portion 310 is formed on the outer circumferential surface of the lens unit 300.
  • the side portion 310 is formed to be parallel to the magnet 610, as will be described later, are formed in each of four places along the outer circumferential surface of the lens unit (300).
  • the first coil member 400 is mounted on an outer circumferential surface of the lens unit 300 as described later.
  • the side part 310 is formed to be horizontal to the magnet 610, thereby minimizing the distance between the first coil member 400 and the magnet 610 wound on the side part 310. There is an effect of improving the vertical driving force of the lens unit 300 by the interaction of the first electromagnetic field generated in the coil member 400 and the magnetic field generated in the magnet 610.
  • the lens unit 300 is mounted to be moved up and down inside the holder 200, it is elastically supported in the vertical direction by the leaf spring (350).
  • the leaf spring 350 has a quadrangular shape with an outer side mounted to the holder 200 and an inner side mounted to the lens unit 300.
  • the leaf spring 350 is disposed above and below the lens unit 300, and when the lens unit 300 rises, the inner side of the leaf spring 350 relaxes in the upward direction, and the lens unit ( 300 is elastically supported downward.
  • the first coil member 400 is a wire through which a current flows, and is wound along an outer circumferential surface of the lens unit 300 and disposed to surround the side part 310.
  • the second coil member 500 is a wire through which a current flows inside, and is wound in a hollow rectangular shape, and an inner width thereof is formed to be the same as the width of the through hole 210.
  • the second coil member 500 is composed of four fixed to the outer portion of the holder 200, respectively.
  • the second coil member 500 is disposed between the support protrusions 220 so as not to move in the left and right directions.
  • the inner width of the second coil member 500 is larger than the width of the magnet 610.
  • the magnetic member 600 is mounted to the housing 100.
  • the magnetic member 600 includes the magnet 610 and the yoke 620.
  • the magnet 610 is formed in a rectangular shape, the width is the same as the width of the through hole 210 and is formed smaller than the inner width of the second coil member 500.
  • One end of the magnet 610 is inserted into the second coil member 500 so as to be adjacent to the first coil member 400, and the other end of the magnet 610 is inserted into the first insertion groove 111 and the second insertion groove. It is inserted into the 121 and fixed to the yoke (620).
  • the magnet 610 is separated in the left and right polarity.
  • the polarity of the magnet 610 is separated from the pole of the holder 200 to the N pole of the yoke 620 to the S pole.
  • the holder 200 may be separated into the N pole in the direction of the yoke 620 in the S pole.
  • the magnet 610 is composed of four, one each inserted into the second coil member 500 is disposed.
  • the yoke 620 is made of a plate material of a magnetic material, is formed in a rectangular shape is fixed to the side of the housing 100.
  • the yoke 620 is inserted into and fixed to the first insertion groove 111 and the second insertion groove 121 of the housing 100, and the width of the yoke 620 is the first insertion groove 111. And the same as the width of the second insertion groove 121 and is formed larger than the width of the magnet 610.
  • the induction parts 621 are formed to protrude from the upper and lower ends of the yoke 620 to the upper and lower parts of the second coil member 500.
  • the induction part 621 is formed to protrude by bending about 90 degrees in the direction of the second coil member 500 at the upper and lower ends of the yoke 620.
  • the induction part 621 may be easily manufactured by bending the induction part 621 with a press die or the like.
  • the induction part 621 is formed in a quadrangular shape, and is spaced apart from each other in the upper and lower ends of the second coil member 500, and is formed to be symmetrical up and down.
  • the protruding width of the induction part 621 is the same as the thickness of the magnet 610, the width is formed larger than the width of the magnet 610.
  • the induction part 621 is disposed at the upper and lower ends of the second coil member 500 to be spaced up and down, respectively, so that the induction part 621 is generated in the magnet 610 and the first coil member 400 and the second coil member 500.
  • Figure 6 shows the initial state of the small image stabilizer camera module according to an embodiment of the present invention.
  • the lens unit 300 is disposed in the holder 200, and the two leaf springs 350 supporting the lens unit 300 are horizontal to each other.
  • the holder 200 is disposed symmetrically between the magnets 610.
  • the center between the center of the holder 200 and the magnet 610 is arranged concentrically.
  • the first coil member generated by the first coil member 400 and the magnet 610 may be formed of the first coil member ( The lens unit 300 moves upward by the interaction of the first magnetic field generated in the 400 direction.
  • the total magnetic field generated by the magnet 610 moves from the N pole to the S pole through the first coil member 400 and the yoke 620 as shown in FIG. 8 (a).
  • a first magnetic field moving from the N pole in the direction of the first coil member 400 that is, from left to right, generates a vertical driving force to the first coil member 400 while passing through the first coil member 400. Let's do it.
  • the leaf spring 350 When the lens unit 300 is raised, the leaf spring 350 is relaxed while the inner side thereof rises with the lens unit 300 to elastically support the lens unit 300 in the downward direction.
  • the holder 200 moves to the right, and the upper end of the wire spring 250 moves to the right to relax.
  • the magnet 610 has one end inserted into the second coil member 500 and the polarity thereof is separated in the left and right directions. ) And the side and top and bottom of the second coil member 500 is formed to surround, the effect of simplifying the structure of the camera module by integrating the magnet 610 for correcting shake and the magnet 610 for adjusting the focus There is.
  • the second coil member 500 may be mounted to the housing 100, and the magnetic member 600 may be mounted to the holder 200.
  • the second coil member 500 is fixedly mounted to the side of the housing 100.
  • One end of the magnet 610 is inserted into and fixed to the holder 200 through the second coil member 500, and the other end thereof is disposed at the side of the housing 100.
  • the yoke 620 is disposed on the side of the housing 100 so as to be movable in a horizontal direction and is fixedly mounted to the other end of the magnet 610.
  • the holder is formed by the interaction between the second electromagnetic field generated when the power is applied to the second coil member 500 and the second magnetic field generated in the magnet 610 and guided up and down by the induction part 621. 200 moves in the horizontal direction together with the magnet 610 and the yoke 620.
  • the small image stabilization camera module of the present invention is not limited to the above-described embodiments, and may be variously modified and implemented within the range in which the technical idea of the present invention is permitted.
  • the present invention is applied to a small camera, such as a camera for a portable terminal to prevent camera shake, and in particular, the structure can be simplified by integrating a magnet for compensating for shaking and a magnet for adjusting focus.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Studio Devices (AREA)
PCT/KR2011/004428 2010-06-16 2011-06-16 소형 손떨림 보정 카메라모듈 WO2011159117A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180017083.XA CN102884782B (zh) 2010-06-16 2011-06-16 小型手动补正照相机模组
US13/704,361 US8676048B2 (en) 2010-06-16 2011-06-16 Small-sized camera module for correcting hand-shake

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0057189 2010-06-16
KR1020100057189A KR101069619B1 (ko) 2010-06-16 2010-06-16 소형 손떨림 보정 카메라모듈

Publications (2)

Publication Number Publication Date
WO2011159117A2 true WO2011159117A2 (ko) 2011-12-22
WO2011159117A3 WO2011159117A3 (ko) 2012-02-16

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PCT/KR2011/004428 WO2011159117A2 (ko) 2010-06-16 2011-06-16 소형 손떨림 보정 카메라모듈

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Country Link
US (1) US8676048B2 (zh)
KR (1) KR101069619B1 (zh)
CN (1) CN102884782B (zh)
WO (1) WO2011159117A2 (zh)

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KR20140135154A (ko) * 2012-02-14 2014-11-25 미쓰미덴기가부시기가이샤 렌즈 구동장치 및 카메라
CN104412156A (zh) * 2012-06-29 2015-03-11 Lg伊诺特有限公司 相机模块
US20150160470A1 (en) * 2013-12-09 2015-06-11 Huizhou Dayawan Ever Bright Electronic Industry Co., Ltd. Electromagnetic driving device

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KR102052158B1 (ko) * 2012-02-29 2019-12-04 엘지이노텍 주식회사 카메라 모듈
KR101349567B1 (ko) 2012-06-28 2014-01-10 엘지이노텍 주식회사 카메라 모듈
KR101500034B1 (ko) 2012-06-29 2015-03-06 엘지이노텍 주식회사 카메라 모듈
KR101349473B1 (ko) * 2012-07-20 2014-01-09 엘지이노텍 주식회사 카메라 모듈
US9910241B2 (en) 2013-04-19 2018-03-06 Hong Kong Applied Science & Technology Research Institute Co., Ltd. Lens moving apparatus
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KR102151763B1 (ko) 2013-06-03 2020-09-04 삼성전자주식회사 손떨림 보정장치 및 이를 포함하는 디지털 촬영장치
CN104995556A (zh) * 2013-09-30 2015-10-21 爱斯尼克电子有限公司 具有自动调焦及补正手颤功能的便携式设备用相机促动器
KR102179952B1 (ko) 2013-11-25 2020-11-17 삼성전자주식회사 광학조절장치
JP2015118115A (ja) * 2013-12-16 2015-06-25 江西磊源永磁材料有限公司Ｊｉａｎｇｘｉ Ｌｅｉｙｕａｎ Ｐｅｒｍａｎｅｎｔ Ｍａｇｎｅｔｉｃ Ｍａｔｅｒｉａｌｓ Ｃｏ．，Ｌｔｄ 手振れ補正装置
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WO2015133731A1 (ko) * 2014-03-06 2015-09-11 (주)하이소닉 자동 초점 조절 및 손떨림 보정 기능을 갖는 카메라 액추에이터
KR101668605B1 (ko) 2014-03-21 2016-10-25 주식회사 하이소닉 휴대단말기용 카메라 액추에이터
KR101421223B1 (ko) * 2014-03-25 2014-07-22 넥스타테크놀로지 주식회사 자동 초점 및 손떨림 보정기능을 구비한 카메라 모듈
US9955077B2 (en) * 2014-06-20 2018-04-24 Samsung Electro-Mechanics Co., Ltd. Camera module
KR102311663B1 (ko) 2015-03-18 2021-10-13 엘지이노텍 주식회사 렌즈 구동 장치, 및 이를 포함하는 카메라 모듈
WO2017024584A1 (zh) * 2015-08-13 2017-02-16 爱佩仪光电技术（深圳）有限公司 抗磁干扰平移式光学防抖音圈马达及其装配方法
KR102637013B1 (ko) * 2016-08-01 2024-02-16 엘지이노텍 주식회사 렌즈 구동 장치 및 이를 포함하는 카메라 모듈 및 광학 기기
WO2018016789A1 (ko) * 2016-07-21 2018-01-25 엘지이노텍(주) 렌즈 구동 장치 및 이를 포함하는 카메라 모듈 및 광학 기기
KR102575584B1 (ko) * 2016-07-21 2023-09-06 엘지이노텍 주식회사 렌즈 구동 장치, 및 이를 포함하는 카메라 모듈 및 광학 기기
JPWO2018092649A1 (ja) * 2016-11-16 2019-10-17 パナソニックＩｐマネジメント株式会社 アクチュエータ及びカメラ装置
KR102575585B1 (ko) * 2018-09-20 2023-09-06 엘지이노텍 주식회사 렌즈 구동 장치, 이를 포함하는 카메라 모듈 및 광학 기기
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